[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Discuss-gnuradio] Hard Disk Bottleneck
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] Hard Disk Bottleneck |
Date: |
Fri, 9 Feb 2007 09:27:51 -0800 |
User-agent: |
Mutt/1.5.9i |
On Fri, Feb 09, 2007 at 10:11:48AM +0100, Vincenzo Pellegrini wrote:
> Hi everybody,
>
> just a quick question: has anybody managed so far to provide the usrp
> with the 8 Complex Msps needed to transmit an 8 MHz wide band?
>
> My problem is that such a bandwidth yields a 32MiBps throughput and,
> even if the USB2 bus and the CPU speed of my machine are all right with
> this, it looks like my IDE HARD DISK cannot provide such a data rate.
>
> Can anyone please confirm whether he's been successful in something
> similar, and, if so, with what kind of HD?
>
> thanks
> vincenzo
Buy a new disk and controller ;)
Lots of commodity 7200 RPM SATA drives can sustain 40 - 60 MB/sec,
no problem. Take a look at the Seagate Barracuda 7200.10
Zipzoomfly.com has the 300GB version for $100.
http://www.zipzoomfly.com/jsp/ProductDetail.jsp?ProductCode=101457
Eric